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9966 [12]
3 years ago
8

4. which of these equations has the solution x = 5? a. 2x + 9 = 15 b. 3x + 7 = 22 c. 2x - 5 = 17 d. 3x - 6 = 15

Mathematics
1 answer:
ELEN [110]3 years ago
8 0
4 is a because 2x=6 can simple to x=3
and 5 is x=30 
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Algebra.
Bad White [126]

Answer:

1 C

2 A

3 B

Hope this helps



7 0
3 years ago
Jayla buys and sells vintage clothing. She bought two blouses for $25.00 each and later sold them for $38.00 each. She bought th
kompoz [17]
If you’re looking for profit is would be $59.00
7 0
3 years ago
Name the solid figure that has 3 rectangular faces and 2 triangular faces
wolverine [178]
A tringular prism. The picture attached shows it- the 3 rectangular faces are the sides and bottom; the  2 triangular are the front and back. Hope this helps!!

6 0
3 years ago
Read 2 more answers
PLEASE SHOW FULL SOLUTIONS !!!!! WILL MARK BRAINLIEST FOR THE BEST ANSWER. THANK YOU AND GOD BLESS
yanalaym [24]

Answer:

  • System is given below

Step-by-step explanation:

  • Let (applicable to all three lines below)
  • Hard candy = x kg with price $1.60/kg
  • Gummy worms = y kg with price $2.20/kg
  • Total weight = 50 kg with mixed price $1.75/kg

<u>Required equations:</u>

  • x + y = 50                        total weight
  • 1.60x + 2.20y = 50*1.75      total price

=========================================

<u><em>Note</em></u><em>. It says don't solve but the solution below for those who is interested to know the answer.</em>

<u>Simplify the second equation and solve by substitution x = 50 - y:</u>

  • 1.6(50 - y) + 2.2y = 87.5
  • 80 - 1.6y +2.2y = 87.5
  • 0.6y = 7.5
  • y = 7.5/0.6
  • y = 12.5

<u>Find the value of x:</u>

  • x = 50 - 12.5 = 37.5

<u>Hard candy</u> = 37.5 kg and <u>gummy worms</u> = 12.5 kg

7 0
3 years ago
Two non-coplanar lines ? intersect
mario62 [17]
Never. If they are not on the same plane, then they cannot intersect because 2 lines and 1 point are always on a plane, in this case the original line, then a point in the middle to the point that creates the other line would be included, hence if they are non-coplaner then they cannot intersect. 
5 0
3 years ago
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